1. My toe is hurt and bleeding.2. I did this work without any kind of support or I did this work without any support.-- Both OK.3. Another/The other girl was sitting there.4. To whom are you married? Who are you married to?-- Both OK as amended. 'Whom...to' is a mixed form that is poor style.5. I failed to complete my degree. I could not complete my degree.-- Both OK.6. He is leaving her at their house.-- ? I am not sure what you meant to say.7. If I keep gold in the bank, they will lend me money for lower interest.